1212122102131 has 8 divisors (see below), whose sum is σ = 1237781358000. Its totient is φ = 1186633340160.

The previous prime is 1212122102119. The next prime is 1212122102137. The reversal of 1212122102131 is 1312012212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212122102131 - 2⁵ = 1212122102099 is a prime.

It is a super-2 number, since 2×1212122102131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212122102099 and 1212122102108.

It is not an unprimeable number, because it can be changed into a prime (1212122102137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42609106 + ... + 42637543.

It is an arithmetic number, because the mean of its divisors is an integer number (154722669750).

Almost surely, 2^{1212122102131} is an apocalyptic number.

1212122102131 is a deficient number, since it is larger than the sum of its proper divisors (25659255869).

1212122102131 is an equidigital number, since it uses as much as digits as its factorization.

1212122102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85246949.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1212122102131 its reverse (1312012212121), we get a palindrome (2524134314252).

The spelling of 1212122102131 in words is "one trillion, two hundred twelve billion, one hundred twenty-two million, one hundred two thousand, one hundred thirty-one".